fix, spell BSD-3-Clause correctly

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, actually define build_release_tarball variable

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, kick the release-tarball shit

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bld/dist' into next

* bld/dist:
  chore, kick the release-tarball shit
  minor, actually define build_release_tarball variable
  fix, spell BSD-3-Clause correctly
Merge branch 'next'

* next:
  chore, kick the release-tarball shit
  minor, actually define build_release_tarball variable
  fix, spell BSD-3-Clause correctly